John Burroughs School Photo - The 49-acre campus in St. Louis County includes a main classroom building; a nearly completed 75,000-square-foot science, technology and research building; a fine arts building; a performing arts center; extensive indoor and outdoor athletic facilities; and a student commons.

Best St. Louis County Private High Schools (2026)

For the 2026 school year, there are 55 private high schools serving 16,064 students in St. Louis County, MO.
The top-ranked private high schools in St. Louis County, MO include MICDS (Mary Institute and St. Louis Country Day School), Christian Brothers College High School, and Cor Jesu Academy.
The average tuition cost is $19,962, which is higher than the Missouri private high school average tuition cost of $14,821.
68% of private high schools in St. Louis County, MO are religiously affiliated (most commonly Catholic and Christian).

Top-Ranked St. Louis County Private High Schools (2026)

School
Location
Quick Facts
Living Water Academy
Living Water Academy Photo - LWA participates in the annual See You at the Pole gathering every fourth Wednesday in September to pray and praise our Lord and Savior Jesus Christ.
(Christian)
(2)
17780 Mueller Road
Wildwood, MO 63038
(636) 324-7220
Gr: NS-12 | 377 students Avg. class size: 20 students Sports: 3 | Extracurrculars: 3 Tuition listed
Academy Of Saint Louis
Academy Of Saint Louis Photo - Academy of St. Louis is Providing Hope, Promise & Opportunities for Students with Learning Challenges
Special Education School (Catholic)
(3)
505 St. Joseph Lane
Ballwin, MO 63021
(636) 534-5099
Gr: K-12 | 34 students Avg. class size: 6 students Extracurrculars: 2 Tuition & acceptance rate listed
Al-salam Day School
(Islamic)
519 Weidman Rd
Ballwin, MO 63011
(636) 394-8986
Gr: PK-12 | 333 students Sports: 1
Apprende Private School
Apprende Private School Photo - Apprende Private School "the learning advantage since 1981"
(3)
436B Valley School Drive
Valley Park, MO 63088
(636) 225-5485
Gr: PK-12 | 17 students Tuition listed
Chaminade College Prep School
Chaminade College Prep School Photo - 2015 Senior House Captains
All-boys (Catholic)
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Gr: 6-12 | 851 students Avg. class size: 17 students Sports: 19 | Extracurrculars: 29 Tuition & acceptance rate listed
Chaminade College Preparatory School
All-boys (Catholic)
425 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Gr: 6-12 | 832 students Tuition listed
Christian Brothers College High School
Christian Brothers College High School Photo
All-boys (Catholic)
1850 De La Salle Dr
Saint Louis, MO 63141
(314) 985-6095
Gr: 9-12 | 849 students Avg. class size: 18 students Sports: 19 Tuition & acceptance rate listed
Cor Jesu Academy
Cor Jesu Academy Photo
All-girls (Catholic)
10230 Gravois Rd
Saint Louis, MO 63123
(314) 842-1546
Gr: 9-12 | 550 students Avg. class size: 140 students Sports: 14 Tuition listed
De Smet Jesuit High School
All-boys (Catholic)
(2)
233 N New Ballas Rd
Saint Louis, MO 63141
(314) 567-3500
Gr: 9-12 | 645 students Tuition & acceptance rate listed
Ech School At Every Childs Hope
Alternative School
8240 Saint Charles Rock Rd
Saint Louis, MO 63114
(314) 593-2999
Gr: 2-12 | 46 students Avg. class size: 10 students
Epworth School
(Christian)
(1)
110 N Elm Ave
Saint Louis, MO 63119
(314) 918-3316
Gr: K-12 | 70 students Avg. class size: 10 students
Esther Miller Bais Yaakov
All-girls (Jewish)
700 North And South Rd
Saint Louis, MO 63130
(314) 863-9230
Gr: 9-12 | 37 students Avg. class size: 10 students
Greenways Academy
Greenways Academy Photo - Welcome to our "quirky" little school We celebrate all learnersEducate, Motivate, Graduate
5850 Macklind Ave. #168
Saint Louis, MO 63109
(314) 432-7534
Gr: 1-12 | 712 students Avg. class size: 15 students Tuition listed
Incarnate Word Academy
All-girls (Catholic)
2788 Normandy Dr
Saint Louis, MO 63121
(314) 725-5850
Gr: 9-12 | 287 students
John Burroughs School
John Burroughs School Photo - In a rigorous curriculum, students learn creative problem solving, critical thinking, data-driven decision making and collaboration skills that will prepare them for active participation in a world with new challenges.
755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
Gr: 7-12 | 660 students Avg. class size: 13 students Sports: 19 Tuition & acceptance rate listed
Lutheran High School North
(Lutheran Church Missouri Synod)
5401 Lucas And Hunt Rd
Saint Louis, MO 63121
(314) 389-3100
Gr: 6-12 | 279 students Avg. class size: 18 students Sports: 13 | Extracurrculars: 14 Tuition & acceptance rate listed
Lutheran High School South
Lutheran High School South Photo - Our college-prep curriculum in a Christ-centered environment prepares each of our students for many options and choices for college. Ninety-eight percent of our students continue their education in a college or university.
(Lutheran Church Missouri Synod)
9515 Tesson Ferry Road
Saint Louis, MO 63123
(314) 631-1400
Gr: 9-12 | 391 students Avg. class size: 21 students Sports: 15 | Extracurrculars: 25 Tuition & acceptance rate listed
Marygrove Services, Inc.
Special Education School
2705 Mullanphy Ln
Florissant, MO 63031
(314) 830-6203
Gr: 5-11 | 2 students
101 North Warson Road
Saint Louis, MO 63124
(314) 995-7367
Gr: PK-12 | 1,236 student Avg. class size: 16 students Sports: 20 | Extracurrculars: 3 Tuition & acceptance rate listed
Miriam School and Learning Center
Special Education School
1138 N. Warson Road
Saint Louis, MO 63132
(314) 962-6059
Gr: K-12 | 161 students Avg. class size: 8 students Sports: 1 | Extracurrculars: 7 Tuition listed
Nerinx Hall High School
All-girls (Catholic)
530 E Lockwood Ave
Saint Louis, MO 63119
(314) 968-1505
Gr: 9-12 | 589 students Avg. class size: 19 students Tuition & acceptance rate listed
Principia School
Principia School Photo
13201 Clayton Rd
Saint Louis, MO 63131
(314) 434-2100
Gr: PK-12 | 477 students Avg. class size: 14 students Sports: 14 | Extracurrculars: 13 Tuition listed
Providence Academy
Providence Academy Photo - Providence equips students for lives of wisdom, virtue, and eloquence to the glory of God by teaching them to love what is true, good, and beautiful, using the Scriptures and the classical liberal arts, assisting parents in fulfilling their God-given responsibility of training their children to be lifelong disciples of Christ and virtuous citizens.
Special Program Emphasis (Christian)
(3)
800 Buckley Rd
Saint Louis, MO 63125
(314) 842-6846
Gr: PK-12 | 152 students Avg. class size: 11 students Sports: 3 | Extracurrculars: 2 Tuition listed
St. John Vianney High School
St. John Vianney High School Photo - Graduates of St. John Vianney High School attend colleges across the nation.
All-boys (Catholic)
(2)
1311 S Kirkwood Rd
Saint Louis, MO 63122
(314) 965-4853
Gr: 9-12 | 550 students Avg. class size: 18 students Tuition listed
St. Joseph's Academy
All-girls (Catholic)
2307 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 394-4333
Gr: 9-12 | 529 students Avg. class size: 10 students Sports: 12 Tuition & acceptance rate listed
St. Louis Priory School
All-boys (Catholic)
500 S Mason Rd
Saint Louis, MO 63141
(314) 434-3690
Gr: 7-12 | 331 students Avg. class size: 18 students Tuition listed
Thomas Jefferson School
Thomas Jefferson School Photo
Special Program Emphasis
(1)
4100 S Lindbergh Boulevard
Saint Louis, MO 63127
(314) 843-4151
Gr: 7-12 | 75 students Avg. class size: 14 students Sports: 4 | Extracurrculars: 34 Tuition & acceptance rate listed
Ursuline Academy
Ursuline Academy Photo - Ursuline Academy of St. Louis, Missouri, established in 1848.
All-girls (Catholic)
(1)
341 S Sappington Road
Saint Louis, MO 63122
(314) 984-2800
Gr: 9-12 | 420 students Avg. class size: 20 students Sports: 15 Tuition listed
Villa Duchesne School
Villa Duchesne School Photo - Villa Duchesne Upper School (Girls, grades 7-12)
All-girls (Catholic)
10801 Conway Road
Saint Louis, MO 63131
(314) 432-2021
Gr: PK-12 | 584 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 30 Tuition & acceptance rate listed
Visitation Academy Of St. Louis
Visitation Academy Of St. Louis Photo
All-girls (Catholic)
3020 North Ballas Road
Saint Louis, MO 63131
(314) 625-9100
Gr: PK-12 | 619 students Avg. class size: 14 students Sports: 12 | Extracurrculars: 32 Tuition listed
Westminster Christian Academy
Westminster Christian Academy Photo
(Christian)
800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Gr: 7-12 | 970 students Avg. class size: 16 students Sports: 20 | Extracurrculars: 25 Tuition & acceptance rate listed
The Whitfield School
The Whitfield School Photo
175 S Mason Rd
Saint Louis, MO 63141
(314) 434-5141
Gr: 6-12 | 404 students Avg. class size: 14 students Sports: 17 | Extracurrculars: 30 Tuition listed
Ace Learning Centers
Alternative School
10075 Lewis & Clark Blvd
Saint Louis, MO 63136
(314) 869-2545
Gr: 6-12
Christian Academy Of Greater St. Louis
Christian Academy Of Greater St. Louis Photo
(Church of Christ)
(8)
11050 North Warson Road
Saint Louis, MO 63114
(314) 429-7070
Gr: PK-12 | 152 students Avg. class size: 10 students Sports: 6 | Extracurrculars: 3 Tuition & acceptance rate listed
DaySpring Arts & Education
DaySpring Arts & Education Photo
(Christian)
(4)
2500 Metro Blvd.
Maryland Heights, MO 63043
(314) 291-8878
Gr: PK-12 | 87 students Avg. class size: 16 students Sports: 2 | Extracurrculars: 4 Tuition & acceptance rate listed
Show 20 more private schools in St. Louis County, MO (out of 55 total schools)
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[+] Show Closed Private Schools in St. Louis County, Missouri

St. Louis County Private Schools (Closed)

School
Location
Quick Facts
3801 Nelson Drive
Saint Louis, MO 63121
(314) 261-1592
Gr: K-8 | 144 students
17815 Wild Horse Creek Rd
Chesterfield, MO 63005
(636) 300-5555
Gr: 6-12 | 100 students
7001 Forsyth Blvd
Saint Louis, MO 63105
(314) 863-3111
Gr: PK-8 | 58 students
74 Kearney St
Saint Louis, MO 63125
(314) 845-8788
Gr: K-8 | 72 students
2100 Switzer Avenue
Saint Louis, MO 63136
(314) 388-0468
Gr: PK-8 | 134 students
Grace Boys Ranch (Closed 2019)
All-boys | Special Education School (Christian)
10421 Apke
Catawissa, MO 63015
(314) 503-5332
Gr: 3-11 | 5 students
Hope Lutheran School-st Ann (Closed 2016)
(Lutheran Church Missouri Synod)
10701 Saint Cosmas Ln
Saint Ann, MO 63074
(314) 429-0988
Gr: K-9 | 53 students
8646 Jennings Station Rd
Saint Louis, MO 63136
(314) 868-5541
Gr: PK-12 | 45 students
4500 Washington St
Florissant, MO 63033
(314) 921-0437
Gr: PK-8 | 167 students
10014 Diamond Drive
Saint Louis, MO 63137
(314) 869-0515
Gr: K-8 | 131 students
4974 Heege Rd
Saint Louis, MO 63123
(314) 832-6432
Gr: K-8 | 154 students
4329 Dupage Dr
Bridgeton, MO 63044
(314) 739-3123
Gr: PK-8 | 163 students
1414 Bellevue Avenue
Saint Louis, MO 63117
(314) 781-2072
Gr: PK-8 | 130 students
4220 Ripa Ave
Saint Louis, MO 63125
(314) 743-8641
Gr: PK-8 | 135 students Avg. class size: 18 students Tuition & acceptance rate listed
631 Undercliff Dr
Hazelwood, MO 63042
(314) 895-3600
Gr: K-8 | 144 students
800 Buckley Rd
Saint Louis, MO 63125
(314) 892-7500
Gr: K-8 | 149 students
7401 Florissant Rd
Saint Louis, MO 63121
(314) 261-6011
Gr: 7-12 | 22 students
8659 Olive Blvd
Saint Louis, MO 63132
(314) 569-2929
Gr: PK-8 | 545 students
1720 Redman Rd
Saint Louis, MO 63138
(314) 741-1333
Gr: 9-12 | 335 students Avg. class size: 15 students Tuition & acceptance rate listed
16601 Wild Horse Creek Rd
Chesterfield, MO 63005
(636) 519-8222
Gr: PK-7 | 26 students

Overview

This County (St. Louis County)
This State (MO)
# Schools
56 Schools

Student Body:

# Students
16,064 Students
54,297 Students
% Average Students of Color
25%
22%

Academics and Faculty:

# Teachers
1,919 Teachers
5,124 Teachers
Average Student-Teacher Ratio
9:1
11:1
% Average Faculty w/Advanced Degree
69%
60%
Average Class Size
15 students
15 students
Average Number of AP Courses
18 courses
16 courses
Average SAT score
1303
(Out of 1600)
1291
Average ACT score
26
(Out of 36)
26

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$19,962
$14,821
Average Summer Program Cost
$708
$349
Average % on Financial Aid
36%
38%
Average Financial Aid Grant
$10,826
$7,236
Average Acceptance Rate
84%
85%
Average Endowment Size
$10.02 million
$28.86 million

Students by Ethnicity:

0.46
0.54
# American Indian Students
73 Students
199 Students
% American Indian Students
n/a
n/a
# Asian Students
547 Students
1,840 Students
% Asian Students
4%
4%
# Hispanic Students
490 Students
2,584 Students
% Hispanic Students
3%
5%
# Black Students
1,454 Students
3,859 Students
% Black Students
10%
8%
# White Students
10,598 Students
33,537 Students
% White Students
73%
65%
# Hawaiian Students
20 Students
91 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
1,420 Students
9,172 Students
% of Others Students
10%
18%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
15 extracurriculars
13 extracurriculars
Average Number of Sports
11 sports
9 sports

Frequently Asked Questions

What are the top-ranked private high schools in St. Louis County, MO?
The top-ranked private high schools in St. Louis County, MO include MICDS (Mary Institute and St. Louis Country Day School), Christian Brothers College High School, and Cor Jesu Academy.
How many private high schools are located in St. Louis County?
55 private high schools are located in St. Louis County.
How much do private high schools cost in St. Louis County?
The average tuition cost is $19,962, which is higher than the Missouri private school average tuition cost of $14,821.
How diverse are private high schools in St. Louis County?
St. Louis County private high schools are approximately 25% minority students, which is higher than the Missouri private school average of 22%.
What percentage of private high schools are religiously affiliated in St. Louis County?
68% of private high schools in St. Louis County are religiously affiliated (most commonly Catholic and Christian).
Which private high schools in St. Louis County are often viewed compared to one another?

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